/Engine/Source/Runtime/CoreUObject/Public/UObject/Script.h
Delegate called from EnterScriptContext, could be called on any thread! This can be used to detect entries into script from native code
typedef TMulticastDelegate_ThreeParams< void, const struct [FBlueprintContextTracker](API\Runtime\CoreUObject\UObject\FBlueprintContextTracker) &, const [UObject](API\Runtime\CoreUObject\UObject\UObject) *, const [UFunction](API\Runtime\CoreUObject\UObject\UFunction) * > FOnEnterScriptContext